1. DNS to CDN to Origin

  2. Why Postgres Won't Always Use an Index

  3. How to Evaluate Your Rails JSON API for Performance Improvements

  4. Honey, I shrunk the internet! - Content Compression via Rack::Deflater

  5. Fast JSON APIs in Rails with Key-Based Caches and ActiveModel::Serializers

  6. New screencast: Improving Performance for Real-time Requests

  7. Designing for iOS: Graphics & Performance

  8. Factory Girl 2.4 Goes Meta

  9. How-To: Quick Rails Benchmarking

  10. 7 Minute Ab: Impatient Man's Load Tests For A Heroku App

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